This is a front-end for the Online Encyclopedia of Integer Sequences, made by Christian Perfect. The idea is to provide OEIS entries in non-ancient HTML, and then to think about how they're presented visually. The source code is on GitHub.
%I A062552 #9 Aug 07 2022 07:50:31
%S A062552 2,74,37820,332797040,42906753609728,96807463594555409408,
%T A062552 3287060262175777407524421632,1849558511978449242738396356403003392,
%U A062552 16381469636294717667541649667987962803817283584,2439141663752697521176587375190791943802198154311477755904
%N A062552 Number of cyclic subgroups of Chevalley group A_n(4) (the group of nonsingular n X n matrices over GF(4) ).
%F A062552 a(n) = Sum_{d} |{g element of A_n(4): order(g)=d}| / phi(d), where phi is the Euler totient function. - _Sean A. Irvine_, Aug 07 2022
%Y A062552 Cf. A062250, A058502, A053291, A053660.
%K A062552 nonn
%O A062552 1,1
%A A062552 Ahmed Fares (ahmedfares(AT)my-deja.com), Jul 02 2001
%E A062552 More terms from _Vladeta Jovovic_, Jul 05 2001
%E A062552 More terms from _Sean A. Irvine_, Aug 07 2022